netdev - Re: [PATCH 10/10] virtio: enable endian checks for sparse builds

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Message-ID: <20161207073021.GA26970@infradead.org>
Date:   Tue, 6 Dec 2016 23:30:21 -0800
From:   Christoph Hellwig <hch@...radead.org>
To:     "Michael S. Tsirkin" <mst@...hat.com>
Cc:     linux-kernel@...r.kernel.org, Jason Wang <jasowang@...hat.com>,
        linux-kbuild@...r.kernel.org, Michal Marek <mmarek@...e.com>,
        Arnd Bergmann <arnd@...db.de>,
        Greg Kroah-Hartman <gregkh@...uxfoundation.org>,
        Matt Mackall <mpm@...enic.com>,
        Herbert Xu <herbert@...dor.apana.org.au>,
        David Airlie <airlied@...ux.ie>,
        Gerd Hoffmann <kraxel@...hat.com>,
        Ohad Ben-Cohen <ohad@...ery.com>,
        Christian Borntraeger <borntraeger@...ibm.com>,
        Cornelia Huck <cornelia.huck@...ibm.com>,
        "James E.J. Bottomley" <jejb@...ux.vnet.ibm.com>,
        "David S. Miller" <davem@...emloft.net>, Jens Axboe <axboe@...com>,
        Neil Armstrong <narmstrong@...libre.com>,
        Stefan Hajnoczi <stefanha@...hat.com>,
        Asias He <asias@...hat.com>, linux-crypto@...r.kernel.org,
        dri-devel@...ts.freedesktop.org,
        virtualization@...ts.linux-foundation.org, netdev@...r.kernel.org,
        linux-remoteproc@...r.kernel.org, linux-s390@...r.kernel.org,
        kvm@...r.kernel.org, linux-scsi@...r.kernel.org,
        v9fs-developer@...ts.sourceforge.net
Subject: Re: [PATCH 10/10] virtio: enable endian checks for sparse builds

On Tue, Dec 06, 2016 at 05:41:05PM +0200, Michael S. Tsirkin wrote:
> __CHECK_ENDIAN__ isn't on by default presumably because
> it triggers too many sparse warnings for correct code.
> But virtio is now clean of these warnings, and
> we want to keep it this way - enable this for
> sparse builds.
> 
> Signed-off-by: Michael S. Tsirkin <mst@...hat.com>

Nah.  Please just enable it globally when using sparse.  I actually
had a chat with Linus about that a while ago and he seemed generally
fine with it, I just didn't manage to actually do it..